Symptoms of damage: Young grub scrape on the upper surface of the leaves Older grub and adults bite large round holes in the leaves Identification of pest: Grub: Oval, flattened yellowish with spiny processes covering the body. Pupa: Is less spiny than the lar

Thickening and malformation of vines and often cracking of the tissue. Discoloration, cracking, or wilting of damaged wines An infested tuber is often riddled with cavities or tunnels Attacked tubers become spongy, brownish to blackish in appearance Start rott